ExpanDrive lets you transparently access, open, edit and save files from within all your favorite programs - TextMate, Photoshop, Acorn, Terminal and even Finder. No need to load a separate client to transfer files. Access remote files over SSH/SFTP from directly within Finder - as easily as if they are on an USB drive you plugged directly into your own computer

NEW Preliminary support for Sharepoint Online [Office 365 Sites]
NEW Rewritten WebDAV connector
NEW All-new metadata caching layer, bringing faster access and asynchrnous updates of regularly used data
NEW Moved to OneDrive v2 API
NEW Improvements to SFTP layer for speed and large file transfers